ECO E17 · Queen's Indian Defense

Queen's Indian Defense: Opocensky Variation

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Bd2

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Black to move. The arrow shows Stockfish’s best move.
Best move

7… d5+0.29

The position is roughly equal. Stockfish 18, depth 18.

Analyze this position

In the Queen's Indian Defense: Opocensky Variation (E17), reached after 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Bd2, Stockfish 18 recommends 7… d5 for Black. The position is roughly equal (+0.29).

Top engine moves

  1. +0.297… d5 8. Qc2 O-O 9. cxd5 exd5 10. O-O Nd7 11. Rfd1 Ndf6 12. Bf4
  2. +0.387… Bf6 8. O-O O-O 9. Qc2 Nxd2 10. Qxd2 d6 11. Rad1 Nd7 12. e4
  3. +0.397… O-O 8. d5 f5 9. Qc2 Nxd2 10. Nxd2 c6 11. O-O Na6 12. Rfd1

Frequently asked questions

What is the best move in the Queen's Indian Defense: Opocensky Variation?
After 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Bd2, Stockfish 18 at depth 18 recommends 7… d5 for Black, continuing 8. Qc2 O-O 9. cxd5 exd5 10. O-O Nd7 11. Rfd1 Ndf6 12. Bf4. The position is roughly equal (+0.29). The next best moves are 7… Bf6 (+0.38) and 7… O-O (+0.39).
Is the Queen's Indian Defense: Opocensky Variation a good opening?
Stockfish rates the position at +0.29: the position is roughly equal. Evaluations this early in the game are small, so practical results depend far more on knowing the plans and typical structures than on the engine's number.
What is the ECO code of the Queen's Indian Defense: Opocensky Variation?
E17. ECO codes classify chess openings from A00 to E99; E is the volume for indian defenses.

Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).